HONOLULU (HawaiiNewsNow) - Residents of Kauai, Niihau and Oahu are under a FLASH FLOOD WATCH through Wednesday morning.
Scattered showers are already falling on Kauai.
Thunderstorms south of Oahu are moving north and are expected to hit sometime around sundown with heavy rain.
If you live in a flood prone area, be prepared to take quick action.
Follow the storm on our Interactive Radar Map.